From: Andrea Arcangeli <andrea@suse.de>
To: Steve Dodd <steved@loth.demon.co.uk>
Cc: "Stephen C. Tweedie" <sct@redhat.com>,
linux-kernel@vger.rutgers.edu, Linux-MM@kvack.org
Subject: Re: [PATCH] 2.3.99x: SMP race in getblk()?
Date: Fri, 14 Apr 2000 14:30:55 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.21.0004141423490.9980-100000@maclaurin.suse.de> (raw)
In-Reply-To: <20000414001735.U831@loth.demon.co.uk>
On Fri, 14 Apr 2000, Steve Dodd wrote:
>[CC'd to linux-mm at Rik's suggestion]
>
>This is a first attempt at a fix for what I /think/ is a potential race
>condition in getblk. There seems to be a small window where multiple
Good spotting, that is conceptually necessary. However right now it
coulnd't trigger in real life since it seems the fs are all calling getblk
with the big kernel lock held. But really the raw device access was just
harmed by that SMP race condition.
Andrea
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prev parent reply other threads:[~2000-04-14 12:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-04-13 23:17 Steve Dodd
2000-04-14 12:30 ` Andrea Arcangeli [this message]
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